Two boxes are held together by a strong wire and attached to the ceiling of an elevator by a second wire. The mass of the top box is 14.2 kg; the mass of the bottom box is 10.4 kg. The elevator accelerates upwards at 2.84 m/s2. (Assume the wire is relatively massless.) (a) Find the tension in the top wire (connecting points A and B). (b) Find the tension in the bottom wire (connecting points C and D).

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A:

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A: Solution:-Step 1:

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A: For Block A, Frictional force, Fk=μk.mA.g.sinθ, μk= Coefficient of kinetic friction Component of…

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A: m=9.74 kgθ=47.7°μs=0.415μk=0.161

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A:

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A:

Q: A 2000kg elevator has a downward acceleration of 1.0 m/s/s. (a) What is the tension in its…

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A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: